Ordered as H90455, this is an AS568-455 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 12.975 in (329.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 13.525 in (343.54 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. The compound resists greases and lubricants, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
Common environments for this compound include fluid power, general industrial maintenance, and automotive.
Order part number H90455, sold individually. Unit weight is approximately 56.78 g and nominal inside diameter is listed as 13 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -455 BLACK BUNA 90D O-RING
uf_description2 0.275" (6.99MM) CS X 12.975" (329.57MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 12.975 inch (329.57 mm)
Actual_OD 13.525 inch (343.54 mm)
ProductCode Description O-Rings - Bulk - Commodity